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36985061568 = 2637133136763
BaseRepresentation
bin100010011100011110…
…110100000011000000
310112110112220210111010
4202130132310003000
51101221133432233
624553554120520
72446344556560
oct423436640300
9115415823433
1036985061568
111475a115194
127202280140
13364556a720
141b0bdd6da0
15e66e91b63
hex89c7b40c0

36985061568 has 224 divisors, whose sum is σ = 120841186816. Its totient is φ = 9721700352.

The previous prime is 36985061557. The next prime is 36985061639. The reversal of 36985061568 is 86516058963.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5465355 + ... + 5472117.

It is an arithmetic number, because the mean of its divisors is an integer number (539469584).

Almost surely, 236985061568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36985061568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60420593408).

36985061568 is an abundant number, since it is smaller than the sum of its proper divisors (83856125248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36985061568 is a wasteful number, since it uses less digits than its factorization.

36985061568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7111 (or 7101 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 36985061568 in words is "thirty-six billion, nine hundred eighty-five million, sixty-one thousand, five hundred sixty-eight".